Check the listing for details. WiebeTech DriveDock V4 Series CDKV4. Condition: Open box. Listed at 125.00 USD. Dual daisy-chainable FireWire 800 ports (400 compatible) work with any FireWire host at blazing fast speeds! USB2 port allows attachment to all hosts, including PCs, Macs, and Linux Self-aligning connector provides easy attachment of IDE/ATA 3.5” drives Two options for power input: Use the included AC adapter, or use a 4-wire connector from a computer’s power supply LEDs show when unit is receiving power as well as power output status Power status LED verifies that unit is switched on (or off) Power switch helps prevent FireWire port damage during plug insertion Host-detection LEDs indicate connection to either FireWire or USB host Access LED shows hard drive activity Small size allows you to take it anywhere Aluminum case is briefcase tough, with excellent heat dissipation World-compatible AC adapter accepts 100-240VAC so you can trot the globe